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 ###Instrução: Qual é a renda domiciliar per capita média de $51,914?
 ###Tabelas: CREATE TABLE new_mexico_counties_ranked_by_per_capita_income (new_mexico_counties_ranked_by_per_capita_income_id AUTO_INCREMENT PRIMARY KEY, County VARCHAR, Per capita income VARCHAR, Median household income VARCHAR, Median family income VARCHAR, Population INT, Number of households INT) CREATE TABLE australasia_pool_a (australasia_pool_a_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Played INT, Lost INT, Drawn INT, Against INT, Diff. INT, Points INT) CREATE TABLE setting_the_nba_finals'_3pt_record (setting_the_nba_finals'_3pt_record_id AUTO_INCREMENT PRIMARY KEY, Game INT, 3PM-A VARCHAR, Percent Made INT, Total Made INT, Total Attempted INT, Series Percent INT) CREATE TABLE 1912_1922 (1912_1922_id AUTO_INCREMENT PRIMARY KEY, Class VARCHAR, Wheel arrangement VARCHAR, Fleet number(s) VARCHAR, Manufacturer VARCHAR, Year made VARCHAR, Quantity made VARCHAR, Quantity preserved VARCHAR, Year(s) withdrawn VARCHAR) CREATE TABLE doubles_36_20–16 (doubles_36_20–16_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents in the final VARCHAR, Score in the final VARCHAR)  
SELECT Per capita income FROM new_mexico_counties_ranked_by_per_capita_income WHERE Median household income = $51,914